United States Amy Rank Abbreviations and Acronyms

1. CTRSN
   CRYPTOLOGIC (COLLECTION) SEAMAN
2. CTRSR
   COMMUNICATIONS TECHNICIAN (COLLECTION) SEAMAN RECRUIT
3. CTRSR
   CRYPTOLOGIC (COLLECTION) SEAMAN RECRUIT
4. CTS3
   COMMUNICATIONS TECHNICIAN (SPECIAL DEVICES) PETTY OFFICER 3RD CLASS
5. CTSSN
   COMMUNICATIONS TECHNICIAN (SPECIAL DEVICES) SEAMAN
6. CTSSR
   COMMUNICATIONS TECHNICIAN (SPECIAL DEVICES) SEAMAN RECRUIT
7. CTT1
   CRYPTOLOGIC (TECHNICAL BRANCH) PETTY OFFICER 1ST CLASS
8. CTT1
   COMMUNICATIONS TECHNICIAN (TECHNICAL BRANCH) PETTY OFFICER 1ST CLASS
9. CTT2
   COMMUNICATIONS TECHNICIAN (TECHNICAL BRANCH) PETTY OFFICER 2ND CLASS
10. CTT2
    CRYPTOLOGIC (TECHNICAL BRANCH) PETTY OFFICER 2ND CLASS
11. CTT3
    COMMUNICATIONS TECHNICIAN (TECHNICAL BRANCH) PETTY OFFICER 3RD CLASS
12. CTT3
    CRYPTOLOGIC (TECHNICIAL BRANCH) PETTY OFFICER 3RD CLASS
13. CTTCM
    CRYPTOLOGIC (TECHNICAL BRANCH) MASTER CHIEF PETTY OFFICER
14. CTTCS
    CRYPTOLOGIC (TECHNICAL BRANCH) SENIOR CHIEF PETTY OFFICER
15. CTTSA
    CRYPTOLOGIC (TECHNICAL BRANCH) SEAMAN APPRENTICE
16. CTTSA
    COMMUNICATIONS TECHNICIAN (TECHNICAL BRANCH) SEAMAN APPRENTICE
17. CTTSN
    CRYPTOLOGIC (TECHNICAL BRANCH) SEAMAN
18. CTTSN
    COMMUNICATIONS TECHNICIAN (TECHNICAL BRANCH) SEAMAN
19. CTTSR
    CRYPTOLOGIC (TECHNICAL BRANCH) SEAMAN RECRUIT
20. CTTSR
    COMMUNICATIONS TECHNICIAN (TECHNICAL BRANCH) SEAMAN RECRUIT

Last updated: May 24, 2020 — Total entries: 3,362